Colorability of Dyed Wood Veneer Using Natural Dye Extracted from Dalbergia cochinchinensis with Different Organic Solvents

Zhu, Tao; Liu, Shun-Zhi; Ren, Kai; Chen, Jiabao; Lin, Juan; Li, Jian

doi:10.15376/biores.13.4.7197-7211

Cited by 15 publications

(9 citation statements)

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“…Moreover, distribution form variation between dye and wood tissues may also account for this phenomenon. As reported in our previous study (Zhu et al, 2018), the ND was formed a lm that anchored on the wood tissues leading to greater coverage area, which was quite different from spots distribution form for acid and reactive dye (Liu et al, 2015b;Wang et al, 2018b). Additionally, the AGR and R3G offer more propensity for water dissolution problems and further result in poor water fastness property.…”

Section: Color Parameters Changes Of the Dyed Wood After Washedmentioning

confidence: 74%

Natural dye extracted from Dalbergia cochinchinensis residue with water fastness, mildew resistance and permeability properties for wood staining

et al. 2022

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Wood dyed with extracts from Dalbergia cohinchinensis residues as natural dye (ND) exhibited desirable color appearance and anti-UV property while the potential property of the ND dyed wood has not been exploited with respect to the water fastness, mildew resistance along with the penetrability of the ND on wood blocks dyeing. The present study was aimed at exploring these aspects for multifunction assessment of the ND dyed wood. The results showed that the ΔE * (4.58) and color intensity reduction (PR:14.01%) of the ND dyed wood declined slightly after washed treatment by comparison with that of acid red (ΔE * :32.82; RP:76.14%) and reactive red (ΔE * :26.85; RP:66.52%) dyed wood indicative of its preferable waster fastness due to the surface hydrophobicity improvement. In addition, the ND ameliorated the mildew resistance against Aspergillus niger and Trichoderma viride infection. Interestingly, the wood blocks inner can be completely impregnated with ND under atmospheric pressure dyeing process without any pretreatment and auxiliary adding. The extracts utilization scenario was proved to perforce greatly promising for industrial application in terms of multifunctional ND dyed wood preparation.

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Section: Color Parameters Changes Of the Dyed Wood After Washedmentioning

confidence: 74%

Natural dye extracted from Dalbergia cochinchinensis residue with water fastness, mildew resistance and permeability properties for wood staining

et al. 2022

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“…Figure 7 illustrates the FTIR spectra of the three wood species before and after NaOH pretreatment. In Chinese fir and poplar, the C–H bending vibration of cellulose 47 at 895 cm –1 is weakened, suggesting that NaOH degrades cellulose to some extent. However, this effect is minimal on white oak.…”

Section: Resultsmentioning

confidence: 99%

Effect of NaOH Pretreatment on Permeability and Surface Properties of Three Wood Species

Qi,

Zhou,

et al. 2023

ACS Omega

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To improve the permeability of wood, three chemical reagents were used to pretreat Chinese fir, white oak, and poplar. Through a factorial experiment with the mass change rate of the wood as the indicator, NaOH was preliminarily selected as the pretreatment agent. Further orthogonal experiments were conducted to explore the effects of NaOH concentration, temperature, and treatment time on the mass change rate, dye uptake rate, transverse dye penetration rate, and color difference of the wood. A fuzzy, comprehensive analysis was used to optimize the pretreatment process. The results showed that after NaOH pretreatment, the highest mass change rates of Chinese fir, white oak, and poplar were 11.30, 10.66, and 8.53%, respectively. Compared with untreated wood, the dye uptake rate of three wood species increased by 1.05, 1.43, and 1.13 times, respectively; the radial dye penetration rate increased by 5.05, 4.14, and 3.38 times, respectively; and the tangential dye penetration rate increased by 3.91, 3.45, and 3.84 times, respectively. These findings indicate an enhancement in permeability for all three wood species following NaOH pretreatment. The brightness of the three wood species decreased after NaOH pretreatment, while the yellow and red colors increased in Chinese fir and poplar and decreased in white oak. Scanning electron microscopy showed that pits in the wood opened after pretreatment, while extractives decreased. Infrared spectroscopy analysis indicated varying degrees of extraction effects from NaOH pretreatment across the three wood species, along with increased active hydroxyl groups within the wood structure. X-ray diffraction analysis revealed that NaOH dissolved noncrystalline substances in wood, leading to improved crystallinity. These experimental findings provide essential data for future endeavors in wood pretreatment and subsequent staining processes.

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“…ΔE values of all treated samples were less than 7. In particular, the fastness experiment had a relatively noticeable impact on the L* value, along with a minor impact on a* and b* ( Supplementary Table S1 ) ( Deng et al, 2009 ; Zhu et al, 2018 ).…”

Section: Resultsmentioning

confidence: 99%

“…The color generated from the laccase oxidative reaction generally lead to achieving a satisfactory fastness on different materials such as cotton, wool, silk, leather, and nylon (Kim et al, 2007;Sun et al, 2014;Pezzella et al, 2016;Prajapati.et al, 2018;Antunes Barros et al, 2019;Atav et al, 2021). The wood fiber's color resistance to fading and running confirms a strong binding between the dye and the fiber, with satisfactory color fastness of water property (Zhu et al, 2018) in comparison with previous studies on the fastness of the dyed wood material (Deng et al, 2009). From this point of view, a further advantage of the use of laccases in the dyeing process could be provided by their grafting action on the wood fibers, which could allow the covalent binding of the dye to the ligneous surface (Felby et al, 2002;Schubert et al, 2015;Slagman et al, 2018).…”

Section: Discussionmentioning

confidence: 97%

See 1 more Smart Citation

In Situ Wood Fiber Dyeing Through Laccase Catalysis for Fiberboard Production

Colella¹,

Chiaro²,

Lettera³

2021

Front. Bioeng. Biotechnol.

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The aim of the present work was to develop an innovative and environmentally friendly process for wood fiber dyeing and to produce 3-dimensionally fully colored medium-density fiberboard (MDF). The potential of laccase-catalyzed polymerization of selected precursors to form dyes useful in fiberboard manufacturing, a technique used for the first time in this field, was demonstrated. Some of the 7 aromatic compounds tested yielded colored products after laccase treatment under both acid and alkaline conditions, and a good variety of colors was attained by using mixtures of two different monomers. To demonstrate the coloration and design potential of laccase conversion of aromatic compounds, MDFs were enzymatically dyed using an in situ one-step laccase-catalyzed coloration process, and the results were compared against commercial MDFs obtained by using organic coloring agents. Important advantages over conventional processing methods include good color fastness and, in some cases, new hydrophobic properties, allowing designers and woodworkers to explore the beauty of textures and the use of simpler and milder processing conditions that eliminate harsh chemical use and reduce energy consumption.

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Colorability of Dyed Wood Veneer Using Natural Dye Extracted from Dalbergia cochinchinensis with Different Organic Solvents

Cited by 15 publications

References 0 publications

Natural dye extracted from Dalbergia cochinchinensis residue with water fastness, mildew resistance and permeability properties for wood staining

Natural dye extracted from Dalbergia cochinchinensis residue with water fastness, mildew resistance and permeability properties for wood staining

Effect of NaOH Pretreatment on Permeability and Surface Properties of Three Wood Species

In Situ Wood Fiber Dyeing Through Laccase Catalysis for Fiberboard Production

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